diff --git a/target/linux/mpc85xx/base-files/etc/board.d/02_network b/target/linux/mpc85xx/base-files/etc/board.d/02_network
index 03243264cf..af2c1e05b2 100755
--- a/target/linux/mpc85xx/base-files/etc/board.d/02_network
+++ b/target/linux/mpc85xx/base-files/etc/board.d/02_network
@@ -17,7 +17,7 @@ tl-wdr4900-v1)
 	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" "1" "1"
 	ucidef_add_switch_ports "switch0" \
-		"0@eth0" "2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "2:wan"
+		"0@eth0" "2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "1:wan"
 	;;
 *)
 	ucidef_set_interfaces_lan_wan "eth0" "eth1"